void ReadConfig()
        {
            TextBlock block = TextBlockUtils.LoadFromRealFile(Application.StartupPath + @"\" + configFile);
            if (block == null) return;

            TextBlock formBlock = block.FindChild("form");
            if (formBlock != null)
            {
                this.Width = int.Parse(formBlock.GetAttribute("width"));
                this.Height = int.Parse(formBlock.GetAttribute("height"));
            }
        }